About the Journal

Treatise Online publishes chapters prepared for parts of the Treatise on Invertebrate Paleontology as they are ready, rather than waiting for an entire hard copy Treatise volume to be printed. Chapters from the following Treatise parts are completed, nearing completion, or in preparation: Part B (protista), Part E (hypercalcified sponges), Part F (Cnidaria), Part G (bryozoans), Part J (paleozoic gastropoda), Part L (ammonoids), Part M (coleiods), Part N (bivalves), Part P (chelicerates), Part R (decapods), Part T (crinoids), Part V (graptolithines).

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Current Issue

2023: no. 166–177
Published: 2023-06-21

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